Anchor Alarm vs CMSAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Anchor Alarm
This app provides real-time updates on your anchor's location and sends instant notifications if it drifts beyond set parameters. It offers detailed stay analysis, location tracking, and a history of anchoring trips, all within a user-friendly interface.
- Real-time anchor location updates
- Instant drift notifications
- Customizable distance and time settings
- Detailed anchor stay analysis
- Location history tracking
- Anchor trip history
- User-friendly interface
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Ensure Your Peace of Mind with the Ultimate Anchor Alarm Dropping the anchor shouldn't mean dropping your guard. When you are resting in a quiet bay or navigating unpredictable offshore currents, you need an anchor monitoring app you can trust with your life and your vessel. Welcome to the most modern, reliable, and battery-efficient boat anchor tracker designed for sailors, yacht owners, and maritime enthusiasts. Why We Are the Modern Alternative: Legacy apps often suffer from complex interfaces, map loading errors, and most dangerously, background process failures. We built this gps anchor watch from the ground up using the latest iOS technologies to ensure your boat alarm never goes to sleep when you do. No more waking up to a closed app. This is the yacht anchor system you’ve been waiting for. Key Features That Keep You Safe: Precision Anchor Track & Setting: Set your exact anchor location with a single tap. The highly accurate anchor pointer draws a precise geofence (safety radius) around your boat. It’s the easiest boat mooring app you will ever use. Instant Anchor Drift Alarm: Receive immediate, unmissable notifications if your boat drags outside the safety zone. Our anchor position alarm is designed to wake you up immediately, giving you crucial seconds to react to changing winds or tides. 100% Reliable Background Monitoring: Your vessel anchor monitor runs flawlessly in the background. Even if your screen is locked, the anchor drop alert and tracking remain fully active without draining your battery unnecessarily. Real-Time Anchor Tracking: Visualize your boat’s movement history directly on a fluid, modern map. The yacht anchor track helps you understand how wind and current are affecting your boat over time. Smart Mooring Alert: Not just for anchoring out! Use the mooring tracker to ensure your dock lines or mooring ball hold strong during storms or heavy weather nights. Built for Every Type of Vessel: Whether you need a heavy-duty yacht anchor monitor for a large catamaran, a reliable nautical anchor system for offshore sailing, or a simple digital anchor watch for weekend fishing trips, this app scales perfectly to your needs. It outperforms standard tools by offering a highly responsive, modern user interface. Your Dedicated Ocean Watch: Don't leave your boat's safety to chance. From setting the perfect perimeter with a quick anchor setting alarm to receiving a critical marine anchor watch notification, every feature is engineered for your safety. Join the growing community of sailors who trust our smart anchor alert to protect their most valuable asset. Download the ultimate boating anchor app today. Sleep soundly, knowing your boat is exactly where you left it. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CMSAP
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Aplicación oficial del Club Marítimo San Antonio de la Playa en la que podrás consultar los avisos, noticias y agenda de eventos del club, así como los datos de la estación meteorológica actualizados en tiempo real. Los socios disponen también de un acceso privado a la oficina virtual del club en la que pueden descargar sus facturas y documentos, además de acceder a sus datos personales, los de su barco y su amarre.
Screenshots
Verdict
The clearest difference is in-app purchases: CMSAP at none against Anchor Alarm's 1. CMSAP also leads on iOS requirement (11.0 vs 16.0). Anchor Alarm's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Anchor Alarm sells 1 in-app purchase, starting at $2.99 per month. CMSAP asks for nothing beyond the download.
Anchor Alarm ships an update every 2 weeks, CMSAP every 3 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Anchor Alarm | CMSAP |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (11 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Serdar Percin | Sailti |
In-app purchases
Anchor Alarm
- Premium7 Days trial$2.991 Month
CMSAP
No in-app purchases









